NotificationStrategy.h

//// NotificationStrategy.h//// $Id: //poco/1.3/Foundation/include/Poco/NotificationStrategy.h#2 $//// Library: Foundation// Package: Events// Module: NotificationStrategy//// Definition of the NotificationStrategy interface.//// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.// and Contributors.//// Permission is hereby granted, free of charge, to any person or organization// obtaining a copy of the software and accompanying documentation covered by// this license (the "Software") to use, reproduce, display, distribute,// execute, and transmit the Software, and to prepare derivative works of the// Software, and to permit third-parties to whom the Software is furnished to// do so, all subject to the following:// // The copyright notices in the Software and this entire statement, including// the above license grant, this restriction and the following disclaimer,// must be included in all copies of the Software, in whole or in part, and// all derivative works of the Software, unless such copies or derivative// works are solely in the form of machine-executable object code generated by// a source language processor.// // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER// DEALINGS IN THE SOFTWARE.//#ifndef Foundation_NotificationStrategy_INCLUDED#define Foundation_NotificationStrategy_INCLUDED#include "Poco/Foundation.h"namespace Poco {
template <class TArgs, class TDelegate>
00050class NotificationStrategy /// The interface that all notification strategies must implement.{
public:
NotificationStrategy()
{
}
virtual ~NotificationStrategy()
{
}
virtualvoid notify(constvoid* sender, TArgs& arguments) = 0; /// Sends a notification to all registered delegates,virtualvoidadd(const TDelegate& pDelegate) = 0; /// Adds a delegate to the strategy, if the delegate is not yet presentvirtualvoidremove(const TDelegate& pDelegate) = 0; /// Removes a delegate from the strategy if found.virtualvoidclear() = 0; /// Removes all delegates from the strategy.virtualboolempty() const = 0; /// Returns false if the strategy contains at least one delegate.};
} // namespace Poco#endif